Business Statistics And Research Methods - Study Mode
[#696] The first measure of dispersion is called-
Correct Answer
(B) mean deviation
[#697] Let A and B be two events such that the occurrence of A implies occurrence of B, but not vice-versa, then the correct relation between P(A) and P(B) is:
Correct Answer
(B) P(B) ≥ P(A)
[#698] In a general class interval, margin of error is equal to
Correct Answer
(A) $$m = Z_{1 - frac{alpha }{2}}^2.frac{sigma }{{sqrt n }}$$
[#699] The value of the median of an even discrete series will be
Correct Answer
(A) $${left[ {frac{{n + 1}}{2}}
ight]^{{ ext{th}}}}{ ext{value}}$$
[#700] At 5% significance level, we are . . . . . . . . confident of the correctness of the decision.
Correct Answer
(A) 95%